This model from Patek Philippe represents one of the most exemplary timepieces in fine watchmaking by combining the essentials - high precision, elegant design and impeccable craftsmanship. This particular model comes with a gorgeous 42mm round-shaped case made of exemplary polished platinum, housing the exquisite automatic caliber CH 28-520 IRM QA 24H with approx. 56 hours power reserve. The black dial indicates Hours, Minutes, Small seconds, Day/night indication, Day, Date, Month, Annual calendar, and Chronograph also boasting polished index hour markers. The watch is worn on a stylish black alligator leather strap with a firm tang buckle.Lastly, the watch features a platinum bezel and a see-through case back.